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Author Question: Why does smectite have a higher degree of expansion than vermiculite, in spite of both the clay ... (Read 57 times)

Evvie72

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on: Sep 3, 2020

Question 1

Which of the following would increase the rate of diffusion?
◦ decreasing the soil moisture
◦ decreasing the diffusion coefficient
◦ decreasing the tortuosity
◦ increasing the buffer capacity

Question 2

Why does smectite have a higher degree of expansion than vermiculite, in spite of both the clay minerals displaying high CEC?
◦ because, in smectite cations neutralize the (-) charge
between two 2:1 layers
◦ because, in smectite, the tetrahedral charge attracts hydrated cations
◦ because, in smectite, isomorphic substitution occurs in both octahedral and tetrahedral
layers
◦ because, in smectite, isomorphic substitution occurs only in the octahedral layer
Soil Fertility and Fertilizers ¦ Havlin, Tisdale, Nelson, Beaton ¦ 8th Edition
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Marked as best answer by Evvie72 on Sep 3, 2020

hollysheppard095

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Reply #1 on: Sep 3, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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Evvie72

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Reply 2 on: Sep 3, 2020
Thanks for the timely response, appreciate it

dreamfighter72

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Reply 3 on: Yesterday
Excellent

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